JP2015034876A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device capable of suppressing display unevenness of a display panel generated due to stress generated on an outer peripheral part of the display panel and due to stress generated when the display device is attached to an external casing, and capable of preventing peel of a transparent adhesive member 8, breakage of the display panel, and the like.SOLUTION: An attachment part 32 (screw part, attachment hole, or the like) formed on a side part 31 is provided on a holding frame 3 for storing a backlight 2, and a display device is attached to an external casing 6 via the attachment part 32. The attachment part 32 is formed on the side part 31 of the holding frame 3, projects toward the external casing 6 from the side part 31, and is formed in a direction approximately parallel to a support part 3a.

Description

  The present invention relates to a display device, and more particularly to a display device provided with an input device such as a protective member or a touch panel on the front surface of a display panel.

  As information electronic devices in recent years, a display device having an input device such as a touch panel on the front surface of a display panel, or a display device having a robust protection member has been widely used.

  The display device is transparent on the display surface of the display device and the touch panel or protection member in order to prevent deterioration of visibility due to surface reflection of external light and to protect the display device from external impact, water immersion, dust, etc. It is often integrated by fixing with an adhesive member or the like (glass bonding). Further, by making the touch panel or the protective member larger than the display surface of the display device, the waterproof and dustproof area in the peripheral portion can be widened, so that higher waterproof and dustproof effects can be obtained.

  In the protective plate integrated display device of Patent Document 1, the display panel and the surface light source are disposed on the protective plate and the opposite side thereof, and have a bottom portion and an outer wall portion provided on an outer peripheral edge portion of the bottom portion. Surrounded and held by a fixed housing. Further, the display panel is pressed toward the protective plate by a buffer member disposed between the bottom of the housing and is held by an elastic repulsive force.

  In addition, according to the display device of Patent Document 2, a liquid crystal display device including a display panel and a backlight, and sandwiching them with a frame, and a transparent protective plate disposed on the front side of the liquid crystal display device are interposed via a transparent elastic body. A structure is shown in which the frame of the liquid crystal display device and the transparent protective plate are attached to an external housing that is joined to the display panel and stores the transparent protective plate via a fixing component.

JP 2011-75605 A JP 2009-122398 A

  However, in the protection plate integrated display device disclosed in Patent Document 1, since the outer peripheral portion of the display panel is directly pressed against the transparent protective plate by the buffer member, display unevenness is caused by the stress generated in the outer peripheral portion of the display panel. May occur.

  In the display device disclosed in Patent Document 2, the liquid crystal display device fixing unit narrows the display panel and the backlight while the movement and deformation of the display panel are restricted by the transparent protective plate and the fixing unit. When the liquid crystal display device is fixed to the external housing, the stress generated between the display device fixing part of the frame and the holding part of the transparent protective plate is applied to the display panel holding part. May cause stress and display unevenness.

  Further, when the display device is attached after the protective member or the touch panel is fixed to the housing, the protective member or the fixing member due to the pressing force on the protective member or the touch panel of the display device at the fixed position or the fixing position due to the screw tightening procedure, There has been a problem that display unevenness of the display device occurs due to a partial change in the contact pressure with respect to the touch panel or the transparent adhesive member.

  In addition, since the display device is held only on the touch panel or the protective member via the transparent adhesive member, the transparent adhesive member may be peeled off or the display panel may be damaged when an impact is applied.

  The present invention has been made to solve the above problems, and in a display device provided with a display panel, when stress is generated at the outer periphery of the display panel or when the display device is attached to an external housing. Provided is a display device capable of suppressing display unevenness caused by the generated stress and preventing peeling of a transparent adhesive member or breakage of a display panel.

  The display device of the present invention includes a display panel, a transparent member disposed on the front side of the display panel via a transparent adhesive member, a backlight disposed on the back side of the display panel, and a backlight that is fixed and transparent. A holding frame that houses the member and the touch panel, and the holding frame has a support portion that is disposed to face the peripheral portion of the rear surface of the transparent member, and is a joint that fixes the transparent member and the support portion of the holding frame. It is fixed by a member, and the holding frame is provided with an attachment portion for an external member formed in a direction parallel to the support portion at a position different from the support portion.

  According to the configuration of the present invention, it is possible to suppress display unevenness caused by stress generated in the outer peripheral portion of the display panel or stress generated when the display device is attached to the external housing, and peeling or display of the transparent adhesive member. Prevent panel damage.

It is a disassembled perspective view of the display apparatus of this invention. It is AA sectional drawing in the state which assembled the display apparatus of FIG. 6 is a cross-sectional view showing a modification of the first embodiment. FIG. FIG. 10 is a cross-sectional view of the display device according to the second embodiment. FIG. 10 is a cross-sectional view of the display device according to the second embodiment. FIG. 10 is a cross-sectional view showing a modification of the second embodiment. FIG. 6 is a cross-sectional view illustrating a configuration of a third embodiment. FIG. 6 is a cross-sectional view illustrating a configuration of a third embodiment. FIG. 6 is a cross-sectional view showing a configuration of a fourth embodiment. FIG. 10 is a cross-sectional view illustrating a configuration of a fifth embodiment. FIG. 10 is a cross-sectional view showing a configuration of a sixth embodiment. FIG. 10 is a cross-sectional view showing a configuration of a seventh embodiment. FIG. 10 is a cross-sectional view showing a configuration of an eighth embodiment. FIG. 10 is a cross-sectional view showing a configuration of an eighth embodiment. FIG. 10 is a cross-sectional view illustrating a configuration of a ninth embodiment. FIG. 22 is a schematic plan view showing the configuration of the tenth embodiment. FIG. 10 is a cross-sectional view showing the configuration of the tenth embodiment. FIG. 10 is a cross-sectional view showing the configuration of the tenth embodiment.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of a display device according to the present invention, and FIG. 2 is a cross-sectional view taken along line AA in a state where the display device of FIG. 1 is assembled.

<Overall configuration of display device>
As shown in FIGS. 1 and 2, the display device of the present invention includes a display panel 1, a backlight 2 for irradiating the display panel 1, a backlight 2 disposed inside, and a holding part 3 a. A frame 3 is provided. Further, the display panel 1 includes a touch panel 4 on the display surface 11 side, and a front surface disposed on the operator side of the touch panel 4 includes a protective member 5 for protecting the touch panel 4. The touch panel 4 is fixed to the rear surface, which is the surface opposite to the front surface of the protective member 5, with a transparent adhesive member 8. The display panel 1 is fixed to the rear surface, which is the surface opposite to the front surface of the touch panel 4, by a transparent adhesive member 8.

  Further, a joining member 9 is disposed on the support portion 3 a of the holding frame 3, which is an end portion on the rear surface side of the protection member 5, and the protection member 5 is joined to the support portion 3 a of the holding frame 3. It is fixed by the member 9. At this time, the display panel 1 and the touch panel 4 are not directly fixed to the holding frame 3. An output wiring member (not shown) that outputs a signal from the touch panel 4 is disposed at the end of the touch panel 4.

<Display panel>
The display panel 1 is a transmissive panel, and a liquid crystal display panel, a plasma display panel, or the like can be used. In the present invention, a liquid crystal display panel is used as the display panel 1. The liquid crystal display panel applies the birefringence of liquid crystal, and is provided on a first substrate in which a colored layer, a light shielding layer, a counter electrode, etc. are formed on an insulating substrate such as glass, and on an insulating substrate such as glass. A thin film transistor (hereinafter referred to as TFT) serving as a switching element, a second substrate on which a pixel electrode and the like are formed are provided. Further, a spacer for maintaining a distance between the first substrate and the second substrate, a sealing material for bonding the first substrate and the second substrate, and a liquid crystal sandwiched between the two substrates, It is comprised by the sealing material of the injection port which inject | pours a liquid crystal, the alignment film which distributes a liquid crystal, a polarizing plate, etc. (not shown).

<Holding frame>
The holding frame 3 is a member that houses the display panel 1, the touch panel 4, the backlight 2, and the like, and is configured by a thin metal plate or a resin molded product. In the case of a thin metal plate, machining cuts are provided as necessary (not shown). The holding frame 3 may be integrally formed, or may be configured by combining a plurality of members. The holding frame 3 has a side portion 31 formed in a frame shape to store at least each member, and a support portion on the upper side of the side portion 31 in order to fix the protective member 5 formed on the upper opening side. 3a. Further, as shown in FIG. 1, a mounting portion 32 is formed on the side portion 31, and a thread groove processing portion, a mounting hole and the like for fixing to the external housing 6 are formed on the mounting portion 32.

<Backlight>
The backlight 2 includes a light source (not shown) that emits light and a case that holds a light guide plate that propagates light emitted from the light source, and the display panel 1 is on the opposite side of the display surface 11. Irradiation from the rear side.

<Touch panel>
The touch panel 4 converts information on position coordinates input from the outside (operator) into an electrical signal by a circuit using a transparent electrode formed on a transparent substrate, and transmits the information to an external housing control circuit through an output wiring member. (Not shown). The touch panel 4 in the present embodiment uses a projection capacitive type. The projected capacitive touch panel 4 detects the position of the operator's fingertip or the like using coordinate data, and accurately determines the position of the finger by measuring the ratio of the amount of current between the contact position and a plurality of electrode patterns in the vicinity thereof. Thus, the signal is input. Further, transparent glass or the like is used for the upper and lower substrates constituting the touch panel 4. In addition, the touch panel 4 is desirably thin from the viewpoint of cost and weight reduction of the apparatus, but from the viewpoint of appropriateness for the transparent electrode forming process, glass having a thickness of 0.7 mm or less widely used for liquid crystal display panels is used. By doing so, a highly reliable substrate can be easily obtained, and the cost can be reduced.

<Protective member>
The protective member 5 prevents damage, deformation, wear, dirt, etc. due to external pressure or contact with the touch panel 4 and / or the display panel 1, and is made of a substantially transparent material such as glass or plastic. Yes. In the present embodiment, the protective member 5 is made of glass that has high strength and is not easily deformed. Further, it is desirable that the thickness is thicker than that of the first substrate, the second substrate, or the touch panel 4 of the display panel 1, and the rigidity is higher than that of other members. Moreover, the function as a design member can also be added by performing printing or coating on the front surface or the back surface of the protective member 5. Moreover, visibility can also be improved by performing AG and AR on the surface of the protective member 5. Moreover, the surface slipperiness and antifouling property at the time of touch panel 4 operation can also be improved by performing fine unevenness processing, antifouling, water repellency, oil repellency treatment, etc. on the surface of the protective member 5.

<FPC>
As the output wiring member, FPC (Flexible Printed Circuit) which is generally excellent in flexibility is used, but other materials and configurations may be used as long as they have equivalent functions and properties. By accommodating the output wiring member on the inner wall side of the holding frame 3, damage due to external force can be prevented. Further, when the holding frame 3 is made of metal, it is possible to suppress damage due to static electricity from the outside.

<Transparent adhesive member, bonding member>
The transparent adhesive member 8 and the joining member 9 use a double-sided tape or an adhesive material. The joining member 9 may have a structure in which a double-sided tape, an adhesive, or the like is disposed on a cushioning member having cushioning properties. Further, as the cushioning member having cushioning properties, a resin member, a curable resin, or the like can be considered. When a curable resin or the like is used, the adhesive strength increases with time, so that the adhesiveness can be further improved. Moreover, the joining member 9 may be formed integrally or may be configured by combining a plurality of members.

  In the present invention, the display panel 1 is fixed to the rear surface of the touch panel 4 by the transparent adhesive member 8, and the touch panel 4 is fixed to the rear surface of the protective member 5 by the transparent adhesive member 8. Thus, by compounding, the bending stress is improved and it is difficult to be deformed as compared with the individual state of each member. Further, as described above, the protective member 5 uses a glass that is thicker than the first substrate or the second substrate of the display panel 1 or the touch panel 4, and is an end portion on the rear surface side of the protective member 5, The holding frame 3 is fixed to the holding frame 3 by a joining member 9 disposed on the support portion 3 a of the holding frame 3. At this time, the display panel 1 and the touch panel 4 are not directly fixed to the holding frame 3 but are held by the protective member 5. In the first embodiment, the support portion 3 a is formed so as to protrude in the direction of the external housing 6.

  Further, the backlight 2 is held on the holding frame 3 by a fitting portion (not shown) provided on the periphery of the backlight 2. The arrangement position and the number of the fitting portions can be arbitrarily set, and the back surface of the backlight 2 may be supported by the holding frame 3.

  The holding frame 3 is provided with attachment portions 32 (screw portions, attachment holes, etc.) formed on the side portions 31, and the display device is attached to the external housing 6 via the attachment portions 32. The attachment portion 32 in the first embodiment is formed at a position different from the support portion 3a, protrudes from the side portion 31 toward the external housing 6, and is formed in a direction substantially parallel to the support portion 3a. As shown in FIG. 2, the attachment portion 32 is provided with an attachment hole for attachment to the external housing 6. Note that, as shown in the cross-sectional view of FIG. 3, the attachment portion 32 may have a screw processing at a position corresponding to the screw groove portion of the screw 10. With such a configuration, the display device is attached to the external housing 6 via the attachment portion 32.

  When the display device is attached to the external housing 6, stress may be applied to the holding frame 3 including the attachment portion 32. By adopting this structure, the stress applied when the display device is attached to the external housing 6 or the stress generated by the deformation of the external housing 6 generated at the outer peripheral portion of the display panel is supported to fix the protective member 5. By the attachment part 32 formed at a position different from the part 3 a, it is transmitted to the joining member 9 via the side part 31 and the support part 3 a of the holding frame 3 and is transmitted to the protection member 5. Therefore, the stress is absorbed and relaxed by the holding frame 3 and the joining member 9 and then transmitted to the holding member 5. For this reason, stress can be prevented from being directly transmitted to the display panel 1 fixed to the holding member 5 via the touch panel 4 and the transparent adhesive member 8, and the stress of the display panel 1 can be reduced. it can.

  Therefore, the display unevenness of the display panel 1 generated due to the stress generated when the display device is attached to the external housing 6 or the stress generated in the outer peripheral portion of the display panel 1 can be suppressed, and the transparent adhesive member 8 Peeling and damage to the display panel can be prevented.

  Moreover, since the attachment part 32 is formed in the holding frame 3 which comprises a display apparatus, and it attaches to the external housing | casing 6, there is no increase in a number of parts and an assembly man-hour, and it can suppress a cost rise.

  In addition, the arrangement position of the attachment part 32, an arrangement | positioning location, and the attachment direction to the external housing | casing 6 can be set arbitrarily. Moreover, although not shown in figure, the stress which generate | occur | produced in the attachment part 32 can further be relieve | moderated by providing a slit around the attachment part 32 of the side part 31. FIG.

  Moreover, the stress which generate | occur | produced in the attachment part 32 can further be relieve | moderated by reducing the joining area and size of the attachment part 32 with the side part 31, and making rigidity low.

  Further, by providing a predetermined clearance between the display panel 1 and the backlight 2, it is possible to further relax the stress applied to the back side of the display panel 1 via the holding frame 3 and the backlight 2. Become.

  Moreover, since the thickness of the protective member 5 is thicker than the first substrate, the second substrate, or the touch panel 4 of the display panel 1 and has higher rigidity than the other members, the protective member 5 is transmitted to the holding member 5. The deformation due to stress can be further reduced.

  As described above, according to the configuration of the present invention, the display unevenness of the display panel 1 caused by the stress generated when the display device is attached to the external housing 6 or the stress generated at the outer peripheral portion of the display panel 1. Can be suppressed, and the peeling of the transparent adhesive member 8 and the breakage of the display panel can be prevented.

  Even when an impact is applied to the display device due to dropping or the like, the stress applied to the holding frame 3 is relieved by the holding frame 3 and the joining member 9, so that the transparent adhesive member 8 is peeled off, the display panel 1 can be prevented from being damaged.

  As shown in FIG. 1, the attachment portion 32 is divided and provided so that the stress from the external housing 6 can be dispersed by the attachment portion 32.

Embodiment 2. FIG.
4 and 5 are cross-sectional views illustrating the configuration of the display device according to Embodiment 2 of the present invention. Hereinafter, the second embodiment will be described with reference to FIGS. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the second embodiment described below, the description thereof is omitted. In the first embodiment, the side portion 31 of the holding frame 3 is provided with the mounting portion 32 that protrudes in parallel with the support portion 3a at a position different from the support portion 3a. However, in the second embodiment, 4 and 5, a mounting portion 33 is provided on the side portion 31 of the holding frame 3. The attachment portion 33 is provided with attachment holes for attaching to the external housing 6, thread groove processing, and the like, and the display device is attached to the external housing 6 via the attachment portion 33.

  According to this structure, the stress applied when the display device is attached to the external housing 6 or the stress generated by the deformation of the external housing 6 is at a position different from the support portion 3a of the holding frame 3, Since the structure is transmitted to the support portion 3a via the attachment portion 33 formed on the support 31 and to the protection member 5 via the support portion 3a and the joining member 9, the holding frame 3 and the joining member 9 absorb stress. Later, by being transmitted to the holding member 5, it is possible to prevent stress from being directly transmitted to the display panel 1 fixed to the holding member 5 via the touch panel 4 and the transparent adhesive member 8. Therefore, the display unevenness of the display panel 1 generated due to the stress generated when the display device is attached to the external housing 6 or the stress generated in the outer peripheral portion of the display panel 1 can be suppressed, and the transparent adhesive member 8 Peeling and damage to the display panel can be prevented.

  In Embodiment 2, since the attachment part 33 is arrange | positioned at the side part 31 of the holding frame 3, it becomes possible to narrow the frame area | region of the external housing | casing 6. FIG. The arrangement position, the arrangement location, and the attachment direction to the external housing 6 of the attachment portion 33 may be arbitrarily set.

Embodiment 3 FIG.
6 and 7 are cross-sectional views illustrating the configuration of the display device according to Embodiment 3 of the present invention. The third embodiment will be described below with reference to FIGS. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the third embodiment described below, the description thereof is omitted. In the first and second embodiments, the attachment portion 32 is provided on the side portion 31 of the holding frame 3 at a position different from the support portion 3a. In the third embodiment, the attachment portion 32 is shown in FIGS. As described above, the attachment portion 34 is provided on the back surface portion 35 that is continuous with the side portion 31 of the holding frame 3. The attachment portion 34 is provided with attachment holes for attaching to the external housing 6, thread groove processing, and the like, and the display device is attached to the external housing 6 via the attachment portion 34.

  In Embodiment 3, since the attachment part 34 is arrange | positioned in the back surface part 35 of the holding | maintenance frame 3, it becomes possible to narrow the frame area | region of the external housing | casing 6. FIG.

Embodiment 4 FIG.
8 and 9 are cross-sectional views illustrating the configuration of the display device according to Embodiment 4 of the present invention. Hereinafter, the fourth embodiment will be described with reference to FIGS. In addition, since it is the structure similar to Embodiment mentioned above except the effect of the display apparatus which concerns on this Embodiment 4 demonstrated below, description is abbreviate | omitted. In the fourth embodiment, as shown in FIGS. 8 and 9, a mounting portion 37 is provided on the outer peripheral side of the joining member 9 disposed on the support portion 3 a of the holding frame 3. Specifically, an attachment portion 37 is provided on an extension portion 36 that extends from the support portion 3a of the holding frame 3 and is formed continuously with the support portion 3a. The display device of FIG. 8 shows a structure in which an attachment portion 37 is provided on an extending portion 37 that protrudes downward from the support portion 3a in the drawing. Further, in the display device of FIG. 9, a mounting portion 37 is provided on an extending portion 36 that protrudes further in parallel to the external direction from the support portion 3a.

  According to the structure of the fourth embodiment, the stress applied when the display device is attached to the external housing 6 or the stress generated by the deformation of the external housing 6 is a joining member disposed on the support portion 3 a of the holding frame 3. Since the structure is transmitted to the support part 3a via the attachment part 37 formed on the outer peripheral part rather than 9, and transmitted to the protection member 5 via the support part 3a and the joining member 9, the holding frame 3 and the joining member By transmitting the stress to the holding member 5 after absorbing the stress in 9, the stress can be prevented from being directly transmitted to the display panel 1 fixed to the holding member 5 via the touch panel 4 and the transparent adhesive member 8. . According to the configuration of the display device having the configuration of the first to third embodiments, the stress is transmitted to the joining member 9 and the protection member 5 through the side portion 31 of the holding frame 3, but in the structure of the fourth embodiment, the joining is performed. The attachment portion 37 is provided on the outer peripheral side of the member 9, and the stress is absorbed by the support portion 3 a and the joining member 9 without using the side portion 31, and the stress applied to the display element 1 is further suppressed. Can do.

  Note that the arrangement position, the arrangement location, the arrangement direction, and the attachment direction to the external housing 6 of the attachment portion 37 may be arbitrarily set.

Embodiment 5 FIG.
FIG. 10 is a cross-sectional view illustrating the configuration of a display device according to Embodiment 5 of the present invention. The fifth embodiment will be described below with reference to FIG. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In the first to fourth embodiments, the touch panel 4 is fixed to the rear surface of the protective member 5 by the transparent adhesive member 8, and the display panel 1 is fixed to the rear surface of the touch panel 4 by the transparent adhesive member 80. In the fifth embodiment, as shown in FIG. 10, the display panel 1 is fixed to the rear surface of the protective member 5 by the transparent adhesive member 8, and no touch panel is disposed. According to the present embodiment, the same effects as in the first to fourth embodiments can be obtained even in a display device in which no touch panel is arranged.

Embodiment 6 FIG.
FIG. 11 is a cross-sectional view illustrating a configuration of a display device according to Embodiment 6 of the present invention. Hereinafter, the sixth embodiment will be described with reference to FIG. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In Embodiments 1 to 5, the touch panel 4 is fixed to the rear surface of the protective member 5 by the transparent adhesive member 8, and the display panel 1 is fixed to the rear surface of the touch panel 4 by the transparent adhesive member 8. In the sixth embodiment, as shown in FIG. 11, the display panel 1 is fixed to the rear surface of the touch panel 4 by the transparent adhesive member 8, and no protective member is disposed. Further, the touch panel 4 is fixed to the holding frame 3 with an adhesive member 9 at the rear surface of the outer peripheral end. According to the present embodiment, the same effects as those of the first to fourth embodiments can be obtained even in a display device in which no protective member is arranged.

Embodiment 7 FIG.
FIG. 12 is a cross-sectional view illustrating a configuration of a display device according to Embodiment 7 of the present invention. Hereinafter, the seventh embodiment will be described with reference to FIG. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In the first to sixth embodiments, the protective member 5 (the touch panel 4 in the sixth embodiment) is an end portion of the rear surface 5, and the joining member 9 is provided on substantially the entire circumference of the support portion 3 a of the holding frame 3. Although arranged and fixed to the holding frame 3, in the seventh embodiment, as shown in FIG. 12, the transparent adhesive member 8 arranged to be extended to the support portion 3 a of the holding frame 3 is used. Thus, the touch panel 4 (in the fifth and sixth embodiments, the display element 1) and the holding frame 3 are fixed integrally. According to this embodiment, since the joining member 9 can be deleted, the number of parts can be reduced.

Embodiment 8 FIG.
FIG. 13 is a cross-sectional view illustrating a configuration of a display device according to Embodiment 8 of the present invention. Hereinafter, the eighth embodiment will be described with reference to FIG. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In the eighth embodiment, as shown in FIG. 13, a through hole 5a is provided at a position corresponding to the support portion 3a of the protection member 5, and the external housing 6 is attached to a position corresponding to the through hole 5a. A portion 38 is formed. The attachment portion 38 formed on the support portion 3 of the holding frame 3 and the external housing 6 are attached with screws 10 or the like through the through holes 5a.

  According to the eighth embodiment, since the protective member 5 is provided with the through hole 5a, it can be attached and detached from the front surface portion of the display device, and the external housing 6 is not required to be disassembled.

  In addition, you may set arbitrarily the size of the through hole provided in the protection member 5, a shape, an arrangement position, an arrangement location, and the attachment direction to an external housing | casing. Further, as shown in FIG. 14, not only the through hole 5 a of the protective member 5 but also the joint member 9 is provided with a through hole, and the support portion 3 a of the holding frame 3 and the external housing are attached by the mounting portion 38 of the holding frame 3. 6 can also be attached

Embodiment 9 FIG.
FIG. 15 is a cross-sectional view illustrating a configuration of a display device according to Embodiment 9 of the present invention. Hereinafter, the ninth embodiment will be described with reference to FIG. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In the ninth embodiment, as shown in FIG. 15, a part of the support portion 3a of the holding frame 3 is extended, and a double bent portion 3b is formed by bending the extended portion to the back side, thereby protecting the member. A mounting portion 39 is provided at a position corresponding to the five through holes 5a.

  According to the ninth embodiment, since the attachment portion 39 is formed in the double bent portion 3b, the stress transmitted to the protective member 5 is partially absorbed by the spring action of the double bent portion 3b. Can be weakened.

  Further, since the double bent portion 3b is configured, the display device can be more strongly attached to the external housing 6.

  In addition, you may set arbitrarily the size of the double bending part provided in the holding frame 3, a shape, an arrangement position, an arrangement location, and the attachment direction to an external housing | casing. The strength can be improved by double-bending the mounting portion 36 continuous with the support portion 3a described in the above-described embodiment or the mounting portion 32 provided on the side portion 31.

Embodiment 10 FIG.
FIG. 16 is a schematic plan view illustrating the configuration of the display device according to the tenth embodiment, and FIG. 17 is a cross-sectional view taken along the line BB in FIG. Hereinafter, the tenth embodiment will be described with reference to FIGS. Since the configuration is the same as that of the above-described embodiment except for the operational effects of the display device according to the present embodiment described below, the description thereof is omitted.

  In the tenth embodiment, as shown in FIG. 16 or FIG. 17, the pair of opposing side portions 5 b of the protection member 5 are formed inward of the position overlapping or overlapping the side portion 31 of the holding frame 3. . Further, in the above-described embodiment, the support portion for fixing the protection member 5 is the support portion 3a that protrudes outward from the side portion 31, but in the tenth embodiment, as shown in FIG. Then, the support portion 3b extending inward from the side portion 31 is formed. And the protection member 5 is affixed by the joining member 9 arrange | positioned at the support part 3b. As for the other pair of side portions 31, the external housing 6 and the display device are fixed by the attachment portions, as in the above-described embodiment.

  According to the structure of the display device of the tenth embodiment, the support member 3b extending inward from the side portions 31 of the pair of holding frames 3 is formed, and the protective member 5 is fixed. The pair of protective members 5 can be reduced in size to provide a display device with a narrow frame area.

  In addition, as shown in FIG. 18, when there is no space for forming the support portion 3 b in the holding frame 3, the support portion 3 b can be omitted. By forming in this way, further narrowing of the frame can be realized, and the backlight 2 and the like can be easily stored, so that workability is improved. By providing the attachment portion 33 with the external housing 6 on the side portion 31, it is possible to further narrow the frame.

  The above-described embodiments can be variously combined without departing from the present invention.

1 display panel, 2 backlight, 3 holding frame, 3a, 3b support,
31 side part, 32, 33, 35, 36, 37, 38, 39 attachment part,
34 Back part, 4 Touch panel, 5 Protection member, 6 External housing,
8 transparent adhesive members, 9 joining members, 10 screws.

Claims (13)

A display panel;
A transparent member disposed on the front side of the display panel via a transparent adhesive member;
A backlight disposed on the back side of the display panel;
A side frame facing the backlight, and a holding frame that houses the backlight and supports the transparent member.
The holding frame is disposed to face a peripheral portion of the rear surface of the transparent member, has a support portion that supports the transparent member, and is fixed to the transparent member by a joining member disposed on the support portion,
A display device, characterized in that an attachment portion with an external housing is provided at a position different from the support portion. A display panel;
A transparent member disposed on the front side of the display panel via a transparent adhesive member;
A backlight disposed on the back side of the display panel;
A side frame facing the backlight, and a holding frame that houses the backlight and supports the transparent member.
The holding frame is disposed to face the peripheral portion of the rear surface of the transparent member, has a support portion that supports the transparent member, and is fixed to the transparent member via the transparent adhesive member disposed on the support portion. ,
A display device, characterized in that an attachment portion with an external housing is provided at a position different from the support portion. The display device according to claim 1, wherein the attachment portion is formed to protrude from a side portion of the holding frame. 2. The mounting portion is formed on a side portion of the holding frame.
Or the display apparatus of 2. The display device according to claim 1, wherein the attachment portion is formed on a back surface continuous with the side portion of the holding frame. The display device according to claim 1, wherein the attachment portion is provided outward from a fixed portion between the support portion and the holding member. The display device according to claim 1, wherein the attachment portion is formed in an extending portion that is formed continuously with the support portion and extends outward from the support portion. The display device according to claim 1, wherein the transparent member is a protective member that protects the display panel. The display device according to claim 1, wherein the transparent member is a touch panel. The display device according to claim 8, wherein the display device further includes a touch panel, and the touch panel is fixed by a transparent adhesive member disposed between the display panel or the protection members. A display panel;
A transparent member disposed on the front side of the display panel via a transparent adhesive member;
A backlight disposed on the back side of the display panel;
A side frame facing the backlight, and a holding frame that houses the backlight and supports the transparent member.
The holding frame is disposed to face a peripheral portion of the rear surface of the transparent member, has a support portion that supports the transparent member, and is fixed to the transparent member by a joining member disposed on the support portion,
The transparent member is provided with a through hole at a position corresponding to the support portion of the holding frame,
The holding frame has a mounting portion formed at a position corresponding to the through hole,
The display device, wherein the attachment portion and the external housing are fixed through the through hole. The bonding member or the transparent adhesive member arranged in the support part is arranged corresponding to the attachment part, and a through hole is provided corresponding to the through hole. Display device. The display device according to claim 11, wherein the attachment portion is disposed in a double-folded portion in which a part of the support portion is extended and the extended portion is bent.

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